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#ifndef _SOFTSHADEROOM_TRANSFORM_H_
#define _SOFTSHADEROOM_TRANSFORM_H_

#include "../math/math.h"

typedef struct Transform Transform;

struct Transform {
	/*local*/
	Vec3 localposition;
	Vec3 localscale;
	Quat localrotation;
	/*global*/
	Transform* parent;
	Vec3 cached_position;
	Vec3 cached_scale;
	Quat cached_rotation;
};

void transform_translate(Transform* trans, Vec3* v);

void transform_getrotation(Transform* trans, Quat* out); /*get global rotation*/
void transform_getposition(Transform* trans, Vec3* out);
void transform_getscale(Vec3* out);
void transform_getpositionandrotation(Transform* trans, Vec3* pos, Quat* rot);

void transform_setdirty(Transform* trans);

/*get world to local matrix(no scale)*/
void transform_getinvmatrixnoscale(Transform* transform, Mat4* worldToLocal); 

void transform_localtoworlddir(Transform* trans, Vec3* dir, Vec3* out);

#endif